I'm sure that this change in behavior is the by-product of the new IMAP ACLs. I have been unable to hide the dot-files from my users using maildiracl. The command won't let me remove the 'rl' identifiers for the owner:
$> maildiracl -delete . INBOX.mailfilter owner rl Trying to set invalid access rights for owner
If I manually edit the appropriate ACL file it does cause the folder to be removed from the LIST, but I'm wondering if this is really the best solution.
Does anyone have suggestions? Is manually changing the ACL files my best bet?
It is, but you might be able to use negative ACL rights:
maildiracl -set /home/fred INBOX.foo -user=fred rl
However, you really shouldn't have this junk in the maildir in the first place. Even under the old version, an attempt by your user to create a folder named "courier" will result in problems.
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